基于数据整合与主成分分析法的系统运用类混合式教学模式成绩测评方法

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引用格式：，，，等.基于数据整合与主成分分析法的系统运用类混合式教学模式成绩测评方法[J].现代电子技术，2025，48（18）：139-150.

关键词：数据整合；主成分分析；混合式教学模式；成绩测评；多源数据；特征提取中图分类号：TN911.73-34；TP311.13 文献标识码：A 文章编号：1004-373X（2025）18-0139-12

Method of blended teaching model performanceassessment based on data integration and principal component analysis for system application

LIUZhao1²，LIUBin1，CHENGZhonghua’，AIYansong²，SHI Xianming'，XIAWei²，LIMingyu² （1.AryEniigUsiaOi;efag

Abstract：Inordertousethemulti-sourcedataintheonline-ofline blendedteaching mode tosolvetheproblemof grade evaluationof systemapplicationcourses，amethodof performance assessmentbasedondataextractionand principal component analysisisproposed.Onthebasisofcolatingmulti-sourcedata，themethodofdataintegrationisusedtoenhancethedata dimensionsandformthepreliminaryevaluationfactors.Theprincipalcomponentsanalysisisusedtoextract themain componentsoftheinfluencing factors，andthestudents‘gradesareevaluatedwiththemaincomponentsastheindependent variables.Theexperimentalresultsshowthatthemethodofdataintegrationgivesmoresignificantfeaturestothemulti-source data.Theasessmentscoresobtainedbymeansoffeatureextractionandprincipalcomponentanalysishavestrongercrelation withthesubjectiveasssmentresults.Theconstructedperformanceassssmentmethodbasedondataintegrationandprincipal componentanalysis has better interpretabilitywhichhasreferencesignificance forthecourseperformanceassssmentof the system application ofonline-offline blended teaching mode.

Keywors：data integration;principal componentanalysis;blended teaching mode;performanceassessment;multi-source data; feature extraction

随着互联网和高等教育的深度结合，大规模在线开放课程迅速兴起，跨区域在线学习、翻转课堂以及线上与线下混合式教学等多种共享与应用模式不断涌现]。（剩余12007字）